linux-kernel - Re: [PATCH 5/9] perf, bpf: save bpf_prog_info in a rbtree in perf

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Message-ID: <20190215074154.GB18997@krava>
Date:   Fri, 15 Feb 2019 08:41:54 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Song Liu <songliubraving@...com>
Cc:     Netdev <netdev@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "ast@...nel.org" <ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        Kernel Team <Kernel-team@...com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "acme@...hat.com" <acme@...hat.com>
Subject: Re: [PATCH 5/9] perf, bpf: save bpf_prog_info in a rbtree in perf_env

On Thu, Feb 14, 2019 at 05:03:03PM +0000, Song Liu wrote:
> 
> 
> > On Feb 14, 2019, at 4:33 AM, Jiri Olsa <jolsa@...hat.com> wrote:
> > 
> > On Fri, Feb 08, 2019 at 05:17:01PM -0800, Song Liu wrote:
> >> bpf_prog_info contains information necessary to annotate bpf programs.
> >> This patch saves bpf_prog_info for bpf programs loaded in the system.
> >> 
> >> perf-record saves bpf_prog_info information as headers to perf.data.
> >> A new header type HEADER_BPF_PROG_INFO is introduced for this data.
> > 
> > please move those 2 changes into separate patches then
> 
> Do you mean one patch to save data in rbtree, then a separate patch 
> to save data in perf.data file?

yes

jirka